A decahedron is a shape with ten plane faces. There are 32,300 topologically distinct configurations. Some of the simpler ones are:
pyramid with a nonagon base (Faces = 10, Edges = 18, Vertices = 10)
prism with octagonal bases (F = 10, E = 24, V = 16)
dipyramid with pentagonal base (F = 10, E = 15, V = 7).
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In geometry, a decahedron is a polyhedron with ten faces. There are 32300 topologically distinct decahedra and none are regular, so this name is ambiguous.One regular decahedron is an octagonal prism. Along with its 10 faces, it has 16 vertices and 24 edges.
2 faces, 4 edges, and 4 vertices 2 faces, 4 edges, and 4 vertices
Vertices: 12 Edges: 30 Faces: 20
8 faces, 12 edges, 6 vertices
It has 14 faces, 24 edges and 12 vertices